Croydonian UK /kɹɔɪˈdəʊ.ni.ən/US /kɹɔɪˈdoʊ.ni.ən/adjective 1noun 1forms 3 adjective1 •Of or relating to Croydon in Greater London. noun1 •A native or inhabitant of Croydon in Greater London. formsCroydonians · more Croydonian · most Croydonian